CN103442956A - Gas generator for restraining apparatus - Google Patents
Gas generator for restraining apparatus Download PDFInfo
- Publication number
- CN103442956A CN103442956A CN2012800150474A CN201280015047A CN103442956A CN 103442956 A CN103442956 A CN 103442956A CN 2012800150474 A CN2012800150474 A CN 2012800150474A CN 201280015047 A CN201280015047 A CN 201280015047A CN 103442956 A CN103442956 A CN 103442956A
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- China
- Prior art keywords
- containers
- cup
- protrusion
- wall portion
- surrounding wall
- Prior art date
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R21/00—Arrangements or fittings on vehicles for protecting or preventing injuries to occupants or pedestrians in case of accidents or other traffic risks
- B60R21/02—Occupant safety arrangements or fittings, e.g. crash pads
- B60R21/16—Inflatable occupant restraints or confinements designed to inflate upon impact or impending impact, e.g. air bags
- B60R21/26—Inflatable occupant restraints or confinements designed to inflate upon impact or impending impact, e.g. air bags characterised by the inflation fluid source or means to control inflation fluid flow
- B60R21/264—Inflatable occupant restraints or confinements designed to inflate upon impact or impending impact, e.g. air bags characterised by the inflation fluid source or means to control inflation fluid flow using instantaneous generation of gas, e.g. pyrotechnic
- B60R21/2644—Inflatable occupant restraints or confinements designed to inflate upon impact or impending impact, e.g. air bags characterised by the inflation fluid source or means to control inflation fluid flow using instantaneous generation of gas, e.g. pyrotechnic using only solid reacting substances, e.g. pellets, powder
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R21/00—Arrangements or fittings on vehicles for protecting or preventing injuries to occupants or pedestrians in case of accidents or other traffic risks
- B60R21/02—Occupant safety arrangements or fittings, e.g. crash pads
- B60R21/16—Inflatable occupant restraints or confinements designed to inflate upon impact or impending impact, e.g. air bags
- B60R21/26—Inflatable occupant restraints or confinements designed to inflate upon impact or impending impact, e.g. air bags characterised by the inflation fluid source or means to control inflation fluid flow
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R21/00—Arrangements or fittings on vehicles for protecting or preventing injuries to occupants or pedestrians in case of accidents or other traffic risks
- B60R21/02—Occupant safety arrangements or fittings, e.g. crash pads
- B60R21/16—Inflatable occupant restraints or confinements designed to inflate upon impact or impending impact, e.g. air bags
- B60R21/26—Inflatable occupant restraints or confinements designed to inflate upon impact or impending impact, e.g. air bags characterised by the inflation fluid source or means to control inflation fluid flow
- B60R21/264—Inflatable occupant restraints or confinements designed to inflate upon impact or impending impact, e.g. air bags characterised by the inflation fluid source or means to control inflation fluid flow using instantaneous generation of gas, e.g. pyrotechnic
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F42—AMMUNITION; BLASTING
- F42B—EXPLOSIVE CHARGES, e.g. FOR BLASTING, FIREWORKS, AMMUNITION
- F42B3/00—Blasting cartridges, i.e. case and explosive
- F42B3/04—Blasting cartridges, i.e. case and explosive for producing gas under pressure
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R21/00—Arrangements or fittings on vehicles for protecting or preventing injuries to occupants or pedestrians in case of accidents or other traffic risks
- B60R21/02—Occupant safety arrangements or fittings, e.g. crash pads
- B60R21/16—Inflatable occupant restraints or confinements designed to inflate upon impact or impending impact, e.g. air bags
- B60R21/26—Inflatable occupant restraints or confinements designed to inflate upon impact or impending impact, e.g. air bags characterised by the inflation fluid source or means to control inflation fluid flow
- B60R2021/26076—Inflatable occupant restraints or confinements designed to inflate upon impact or impending impact, e.g. air bags characterised by the inflation fluid source or means to control inflation fluid flow characterised by casing
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R21/00—Arrangements or fittings on vehicles for protecting or preventing injuries to occupants or pedestrians in case of accidents or other traffic risks
- B60R21/02—Occupant safety arrangements or fittings, e.g. crash pads
- B60R21/16—Inflatable occupant restraints or confinements designed to inflate upon impact or impending impact, e.g. air bags
- B60R21/26—Inflatable occupant restraints or confinements designed to inflate upon impact or impending impact, e.g. air bags characterised by the inflation fluid source or means to control inflation fluid flow
- B60R21/264—Inflatable occupant restraints or confinements designed to inflate upon impact or impending impact, e.g. air bags characterised by the inflation fluid source or means to control inflation fluid flow using instantaneous generation of gas, e.g. pyrotechnic
- B60R21/2644—Inflatable occupant restraints or confinements designed to inflate upon impact or impending impact, e.g. air bags characterised by the inflation fluid source or means to control inflation fluid flow using instantaneous generation of gas, e.g. pyrotechnic using only solid reacting substances, e.g. pellets, powder
- B60R2021/2648—Inflatable occupant restraints or confinements designed to inflate upon impact or impending impact, e.g. air bags characterised by the inflation fluid source or means to control inflation fluid flow using instantaneous generation of gas, e.g. pyrotechnic using only solid reacting substances, e.g. pellets, powder comprising a plurality of combustion chambers or sub-chambers
Abstract
The invention provides a gas generator for a restraining apparatus, including: a housing (10) an ignition device, and a gas generating agent accommodated (35,41) in the housing, and a cup- shaped container (20) having a flame - transferring hole (23) in a circumferential wall (27c) and being disposed on a tubular igniter- fixing potion (50) of the housing to form an ignition device chamber (24) accommodating the ignition device, the cup- shaped container having a plurality of protruding portions (25) protruding inward in the radial direction from the circumferential wall portion, the tubular igniter- fixing portion having a recess (53) on an outer surface, at least a distal end portion of the protruding portion engaging with an inner wall surface of the recess to block an axial movement of the cup -shaped container.
Description
Invention field
The present invention relates to a kind of gas generator of the restraint device for example used in airbag apparatus at restraint device.
At airbag apparatus, use in gas generator, just use gas generant as with regard to the gas generator of gas generating source, when formation is held firing unit and passed the ignition means chamber of fiery agent, maybe, when combustion chamber is divided into to two chambers, usually use cylindrical container or cup-like containers.
Described cylindrical container or cup-like containers are fixed on the enclosure of gas generator.
Background technology
The claim 6 of JP-A No.2006-076849 is mentioned the gas generator for vehicle occupant protection apparatus, and it has used gas generant composition.
In the gas generator shown in Fig. 1 of JP-A No.2006-076849, the enclosure being formed by upper cover 6 and lower cover 10, be provided with the combustion chamber 8 that is filled with gas generant 4.Firing unit 2 is mounted to the central portion of lower cover 10.Firing unit 2 is filled with the inner cylindrical body that the end is arranged 13 that passes fiery agent 3 and covers.
With regard to the inner cylindrical body 13 that the end is arranged, it is fixed to the flange part of the open side of inner cylindrical body 13 by annular projection (ignition device maintaining part) bending (that is to say crimping) to the inside that will be formed on lower cover 10.
Summary of the invention
The invention provides a kind of gas generator for restraint device, it comprises:
Shell, it has gas discharge outlet, and is formed by closure casing and diffuser shell body;
Ignition device, it comprises firing unit, and is contained in the gas generant in shell; And
Cup-like containers, it has the flame transfer hole in its surrounding wall portion, and is arranged on the closure casing of enclosure, to form ignition means chamber,
Ignition means chamber is held ignition device, and firing unit is fixed to the tubular firing unit fixed part be arranged in closure casing,
Cup-like containers has a plurality of protrusions of radially inwardly giving prominence to from its surrounding wall portion,
Tubular firing unit fixed part has recess on the outer surface,
At least the distal portion of the protrusion of cup-like containers abuts against the internal face of the recess of tubular firing unit fixed part, to stop moving axially of cup-like containers.
The accompanying drawing explanation
By comprehend the present invention, but do not limit the present invention by the detailed description hereinafter provided and the accompanying drawing only provided by example, wherein:
The axial, cross-sectional view that Fig. 1 is gas generator of the present invention.
The partial cross section view that Fig. 2 is structure shown in Fig. 1.
Fig. 3 (a) with (b) in example the transparent view of manufacture method of the cup-like containers that uses in structure shown in Fig. 1.
Fig. 4 (a) with (b) in example be different from the transparent view of manufacture method of cup-like containers of the embodiment of the cup-like containers used in structure shown in Fig. 1.
Fig. 5 (a) with (b) in example be different from the transparent view of manufacture method of cup-like containers of the embodiment of the cup-like containers used in structure shown in Fig. 1.
Fig. 6 (a) with (b) in example be different from the transparent view of manufacture method of cup-like containers of the embodiment of the cup-like containers used in structure shown in Fig. 1.
Fig. 7 (a) with (b) in example be different from the transparent view of manufacture method of cup-like containers of the embodiment of the cup-like containers used in structure shown in Fig. 1.
Fig. 8 (a) with (b) in example be different from the transparent view of manufacture method of cup-like containers of the embodiment of the cup-like containers used in structure shown in Fig. 1.Fig. 8 is the plan view of structure shown in (a) of Fig. 8 in (b).
Fig. 9 (a) with (b) in example be different from the transparent view of manufacture method of cup-like containers of the embodiment of the cup-like containers used in structure shown in Fig. 1, and Fig. 9 is the planar view of the structure shown in (a) of Fig. 9 in (b).
Figure 10 (a) with (b) in example be different from the transparent view of manufacture method of cup-like containers of the embodiment of the cup-like containers used in structure shown in Fig. 1.
Figure 11 at (a) from example in (d) instruction diagram of different embodiments of the recess in the firing unit fixed part used in structure shown in Fig. 1.
Figure 12 is the axial, cross-sectional view of gas generator that is different from the embodiment of the gas generator shown in Fig. 1.
The partial section that Figure 13 is structure shown in Figure 12.
Figure 14 is the axial, cross-sectional view of gas generator that is different from the embodiment of the gas generator shown in Fig. 1.
Figure 15 is the axial, cross-sectional view of gas generator of the embodiment that is different from the gas generator shown in Fig. 1 in (a).Figure 15 is partial cross section view in (b).
Detailed Description Of The Invention
In order to form the annular projection (ignition device maintaining part) formed at lower cover 10 places in JP-A No.2006-076849, need to implement cutting processing around circumferencial direction to lower cover, increase work capacity, thereby productive costs increases.
Further, be used as while taking offence the body producer, result from the pressure pushing inner cylindrical body of inner cylindrical body 13 inside upwards.Therefore, when adopting the fixing means that uses above-mentioned bead structure, the thickness of crimping portion should increase, thereby resists above-mentioned pressure.For automobile component, even the minimizing of 1 gram weight is also very important, from reducing the viewpoint of weight, use the fixing means of the bead structure of describing in JP-A No.2006-076849 to there is room for improvement.
The invention provides a kind of gas generator for restraint device, the cost that it makes processing, make to form the installation of cup-like containers of ignition means chamber with fixing easily simple, and make and reduce weight and become possibility.
According to the present invention, the cup-like containers that forms ignition means chamber is mounted to the tubular firing unit fixed part be arranged in closure casing, thereby stops moving axially of cup-like containers.
Further, cup-like containers and tubular firing unit fixed part are installed as follows, so that the distal portion of a plurality of protrusions of radially giving prominence to the inside from the surrounding wall portion of cup-like containers abuts against the recess of tubular firing unit fixed part.
Combination by such protrusion and recess, the firing unit of (in ignition means chamber) in the start cup-like containers, when cup-like containers is applied to pressure vertically, the distal portion of described protrusion is pushed the internal face of described recess, thereby stops cup-like containers to move vertically.
In order to produce this mobile interception, preferably, the internal face of recess has bight, surface element, edge or its combination that the distal portion with protrusion abuts against.
The quantity of protrusion is a plurality of, preferably 2 to 10, and more preferably 4 to 8, and protrusion is preferably equidistantly along circumferentially arranging.
Described recess can be annular along the circumferential formation of firing unit fixed part in a continuous manner, or can equal at the position quantity of formation corresponding to protrusion a plurality of recesses of the quantity of protrusion.
From reducing the viewpoint of weight, preferably, protrusion and the cup-like containers of cup-like containers are integrally formed, but the present invention does not get rid of following structure yet: by welding, wait and will form as other element secure bond to the cup-like containers of protrusion.
The recess of firing unit fixed part can form by pressurization processing or cutting processing.For example, in the situation that forms six left and right recesses, can process and form by pressurization, therefore, the processing operation be very simple.
Stop the axially movable effect of cup-like containers in order to strengthen, preferably, the degree of depth of the recess of firing unit fixed part is equal to or greater than the distal portion thickness of the protrusion abutted against with it.
The cup-like containers that forms ignition means chamber not only can be by bottom surface (or end face) formed with side face is integrated, and can be to form by cylindrical portion and the combination of the lid that seals the distolateral opening of one.
Be formed at flame and high-temperature gas that the flame transfer hole in the surrounding wall portion of cup-like containers is produced by ignition device for discharge, and can adopt sealing band etc. from the outside or inboard sealing.
Ignition device is known those, and can use Ignition Module and the combination that passes fiery agent.
Use in the situation of protrusion and the combination of recess, handling ease is simple, and compares with the component weight in the situation of disclosed coiled structure in use JP-A No.2006-076849, and component weight can be minimized.
Further, with disclosed bead structure in JP-A No.2006-076849, compare, because cup-like containers is fixed to firmer firing unit fixed part, cup-like containers is difficult to be separated from from the firing unit fixed part because of act pressure.Therefore, the internal capacity of cup-like containers is kept necessarily, thus the smooth combustion of the biography of guaranteeing to fill therein fire agent, and prevent the interference of miscellaneous part.
In gas generator of the present invention, cup-like containers and tubular firing unit fixed part can be assembled into the inner peripheral surface that makes cup-like containers and contact with the outer peripheral face of firing unit fixed part over against described inner peripheral surface.
In this contact condition, the gap between cup-like containers and tubular firing unit fixed part is not used as in fact the emission path of flame and high-temperature gas.
Further, in gas generator of the present invention, cup-like containers and tubular firing unit fixed part can be assembled into the inner peripheral surface that makes cup-like containers and between the outer peripheral face of the firing unit fixed part of described inner peripheral surface, gap be set.
In this contact condition, the gap between cup-like containers and tubular firing unit fixed part is as the emission path of flame and high-temperature gas.In the surrounding wall portion of cup-like containers, in the part corresponding to this emission path, can also form the flame transfer hole.This structure is preferred, because be positioned at all gas propellant of combustion chamber inside, can catch fire more equably.
The present invention includes following preferred implementation 2 to 10:
(embodiment 2)
Gas generator for restraint device of the present invention can comprise following characteristics.
Form the protrusion of cup-like containers corresponding to the surrounding wall portion of tetragonal cupule by bending to the inside, this quadrangle is formed by three lines of cut and a remaining sides, described three lines of cut connect the surrounding wall portion of cup-like containers, and be to comprise along the top circumferentially formed and from the two ends of top vertically to tetragonal three limits on the both sides of downward-extension, and
Protrusion has the distal portion corresponding to the protrusion top, and at least this distal portion abuts against the internal face of the recess of firing unit fixed part.
Above quadrangle comprises rectangle, square, trapezoidal etc.
Recess enough makes the distal portion of protrusion to abut against dimensionally.
(embodiment 3)
Gas generator for restraint device of the present invention can comprise following characteristics.
Cup-like containers has four-sided openings, the first top that described opening is formed and extended by the circumferential compartment of terrain along surrounding wall portion and first following, and connect the first top and first following two first sides are defined,
By the crooked protrusion that forms cup-like containers corresponding to tetragonal surrounding wall portion to the inside, this quadrangle by first below, two these three limits of line of cut and a remaining sides form, wherein, described two lines of cut are described two second sides,
Tetragonal described three limits comprise first below and two lines of cut, and described two lines of cut connect the surrounding wall portion of cup-like containers and comprise from two first sides of cup-like containers vertically to two Second Edges of downward-extension,
At least the internal face corresponding to the recess of first of protrusion the following distal portion and firing unit fixed part abuts against.
Opening can also be used as the flame transfer hole.
Quadrangle comprises rectangle, square, trapezoidal etc.
Recess enough makes the distal portion of protrusion to abut against dimensionally.
(embodiment 4)
Gas generator for restraint device of the present invention can comprise following characteristics.
Form the protrusion of cup-like containers corresponding to leg-of-mutton surrounding wall portion by bending to the inside, this triangle is formed by two lines of cut and a remaining sides, thereby these two lines of cut connect the surrounding wall portion of cup-like containers and form leg-of-mutton both sides, and at least in triangle the internal face of the recess of the distal portion of crooked protrusion and firing unit fixed part abut against.
Triangle can be equilateral or equicrural triangle.
Recess enough makes the distal portion of protrusion to abut against dimensionally.
(embodiment 5)
Gas generator for restraint device of the present invention can comprise following characteristics.
Cup-like containers has four-sided openings,
Form the protrusion of cup-like containers by the surrounding wall portion under inside pushing four-sided openings,
Four-sided openings is defined by the top circumferentially formed along surrounding wall portion and following these two lines and two lines forming along short transverse, and
At least the internal face of the recess of the distal portion of protrusion and firing unit fixed part abuts against.
Quadrangle can be rectangle, square, trapezoidal etc.
Recess enough makes the distal portion of protrusion to abut against dimensionally.
(embodiment 6)
Gas generator for restraint device of the present invention can comprise following characteristics.
Surrounding wall portion by inside pushing between upper and lower opening forms the protrusion of cup-like containers,
Upper and lower opening is two four-sided openings, and it is arranged up and down along short transverse spacing ground,
Each four-sided openings defines by the top circumferentially formed along surrounding wall portion and this two lines below and two lines forming along short transverse, and
At least the internal face of the recess of the distal portion of protrusion and firing unit fixed part abuts against.
Quadrangle can be rectangle, square, trapezoidal etc.Two quadrangles can be identical or differ from one another, but identical shaped quadrangle preferably.
Recess enough makes the distal portion of protrusion to abut against dimensionally.
(embodiment 7)
Gas generator for restraint device of the present invention can comprise following characteristics.
Be positioned at by inside pushing the protrusion that a surrounding wall portion under line of cut forms cup-like containers, described line of cut connects surrounding wall portion and along the circumferential formation of the described surrounding wall portion of described cup-like containers, and
At least the internal face of the recess of the distal portion of protrusion and firing unit fixed part abuts against.
Recess enough makes the distal portion of protrusion to abut against dimensionally.
(embodiment 8)
Gas generator for restraint device of the present invention can comprise following characteristics.
Be clipped in by inside pushing the protrusion that two surrounding wall portion between line of cut form cup-like containers, described two lines of cut connect surrounding wall portion and along the circumferential formation of cup-like containers and in the arrangement of axially spaced-apart ground, and
At least the internal face of the recess of the distal portion of protrusion and firing unit fixed part abuts against.
Recess enough makes the distal portion of protrusion to abut against dimensionally.
(embodiment 8-1)
Gas generator for restraint device of the present invention can comprise following characteristics.
Be clipped in by inside pushing the protrusion that two surrounding wall portion between line of cut form cup-like containers, these two lines of cut compartment of terrain vertically form, and along the circumferential perforation surrounding wall portion of cup-like containers,
The aspect of the recess of firing unit fixed part is identical with the aspect of protrusion, and
At least the internal face of the recess of the distal portion of protrusion and firing unit fixed part abuts against.
Recess enough makes the distal portion of protrusion to abut against dimensionally.
(embodiment 9)
Can comprise following characteristics according to the gas generator for restraint device of the present invention.
Cup-like containers and tubular firing unit fixed part are assembled into the inner peripheral surface that makes cup-like containers and contact each other with the outer peripheral face of firing unit fixed part over against described inner peripheral surface.
(embodiment 10)
Gas generator for restraint device of the present invention can comprise following characteristics.
Cup-like containers and tubular firing unit fixed part are assembled into the inner peripheral surface that makes cup-like containers and are separated with interval with the outer peripheral face of firing unit fixed part over against described inner peripheral surface.
When recess that the protrusion formed by cutting processing with cup-like containers abuts against, the recess be formed in the outer peripheral face of tubular firing unit fixed part can be such, the angle (α) formed by the tangent line of internal face of described outer peripheral face and the recess of the distal portion that abuts against protrusion is 90 °
The recess be formed in the outer peripheral face of tubular firing unit fixed part can be such, and the angle (α) formed by the tangent line of described outer peripheral face and the internal face of the recess of the distal portion that abuts against protrusion is in 30 ° to 80 ° scopes.
When the above-mentioned angle (α) of recess is 30 ° to 80 °, the internal face of the recess that formation and distal portion protrusion abut against eat to the inside into.Therefore, for stop cup-like containers vertically mobile function be enhanced.Because by internal face be cut into have sharp keen angle eat to the inside into state, the situation that is 90 ° with the above-mentioned angle (α) of recess is compared, the thickness of whole protrusion or only the thickness of distal portion can be reduced.
Simultaneously, when processing the recess formed with the combination of the protrusion of cup-like containers by pressurization, above-mentioned angle (α) can be obtuse angle, but can be by suitably adjusting shape or the thickness of the distal portion of protrusion, and the combination of giving full play to by recess and protrusion stops mobile effect.
Gas generator for restraint device of the present invention demonstrates following effect: make as the handling ease of the cup-like containers of parts simple, cup-like containers can easily be installed, can reduce weight than conventional confguration (JP-A No.2006-076849), and can be forcefully fixing cup-like containers.
Inventive embodiments
Gas generator of the present invention is characterised in that the coupled situation of cup-like containers and tubular firing unit fixed part.Other architectural features can be identical with the architectural feature of conventional gas generator.Embodiments of the invention will be in following explanation.
(1) gas generator shown in Fig. 1 to 3
The diffuser housing 11 that has a plurality of gas discharge outlets 13 by welding is integral and obtains shell 10 with closure casing 12.
Cup-like containers 20 is arranged at the central portion of closure casing 12, and wherein, cup-like containers 20 comprises the lid 22 of the sealing opening that barrel 21 and an end (in diffuser housing 11 sides) that is fixed on barrel 21 are located.
In cup-like containers 20, the end of being sealed by cover 22 can be by integrally formed end face sealing, but, in order to pass fiery agent 35 and the convenience that firing unit 30 holds, preferably adopts cup-like containers 20 and the combination of covering 22.
The barrel 21 of cup-like containers 20 has the flange part 27a of the open side that is formed at closure casing, the 27b of inside bend section of fixed cap 22, and surrounding wall portion 27c, and further there are a plurality of flame transfer holes 23 that connect surrounding wall portion 27c.
The inside of cup-like containers 20, as ignition means chamber 24, wherein, holds and comprises Ignition Module 30 and the ignition device that passes fiery agent 35.
The outside of cup-like containers 20 is used as combustion chamber 40, and is filled with solid gas propellant 41.
In shell 10 inside, cylinder filter 45 is arranged to be separated with interval with the surrounding wall portion of shell 10.
The firing unit 30 that is contained in ignition means chamber 24 inside of cup-like containers 20 inside is enclosed in resin portion 31, and is fixed to the tubular firing unit fixed part 50 integrally formed with closure casing 12 by resin portion 31.
Firing unit fixed part 50 has from the vertically disposed cylindrical wall of the middle body of closure casing 12 section 51 and by the annular flat board 52 that crooked cylindrical wall section 51 obtains to the inside.
Firing unit 30 is fixed to firing unit fixed part 50, and the inside face that makes the outside face of resin portion 31 and cylindrical wall section 51 is tight joint each other, and by annular flat board 52 embedded resin sections 31.
Cup-like containers 20 has a plurality of protrusions 25, and the surrounding wall portion 27c that described protrusion is cylindrical portion 21 from cylindrical container radially gives prominence to the inside.
Protrusion shown in Fig. 1 25 is integrally formed with surrounding wall portion 27c, formation that also can be as shown in Figure 2 and Figure 3.
(a) in Fig. 3 has been example and formed the transparent view of state before the protrusion 25 shown in (b) in Fig. 3.
As shown in (a) in Fig. 3, three line of cut 26a to 26c that form tetragonal three limits are arranged in the surrounding wall portion 27c of cup-like containers 21, those lines comprise connect surrounding wall portion along the top 26a circumferentially formed and from 26a two ends, top vertically to both sides 26b, the 26c of downward-extension.
As shown in (b) in Fig. 2 and Fig. 3, form protrusion 25 by crooked to the inside corresponding to tetragonal surrounding wall portion 27c, above-mentioned quadrangle is formed with the part as a remaining sides (remaining sides on flange part 27a side) by three line of cut 26a to 26c.
Tubular firing unit fixed part 50 has recess 53 in the outside face of cylindrical wall section 51.Protrusion 25 abuts against with recess.Recess 53 is along the recess (circular groove) circumferentially formed continuously in the outside face of cylindrical wall section 51.Recess 53 is processed and is formed by pressurization.
The part that the distal portion 26a(of the protrusion 25 of cup-like containers 20 is identical with top 26a) with the internal face 53a of the upper end side (the end face 11a side of diffuser housing 11) of firing unit fixed part 50 center dants 53, abut against.
Therefore, even when power is put on to cup-like containers 20 along the direction of diffuser housing 11, because outstanding in the 26a side direction of top, so protrusion 25 provides the resistance to aforementioned power, cup-like containers 20 is difficult to be separated from from firing unit fixed part 50.
Will be at the embodiment of the assemble method of the gas generator shown in following instruction diagram 1 to 3.
(I) by firing unit 30(resin portion 31) be fixed to the firing unit fixed part 50 of closure casing 12, cup-like containers 20 is set subsequently above it.In this case, adjust position make limit 26a, 26b in the cup-like containers 20 shown in Fig. 3 (a), 26c around part over against the recess 53 of firing unit fixed part 50.
(II) from outside pushing by limit 26a, the 26b shown in Fig. 3 (a), 26c around part, form the protrusion 25 shown in Fig. 3 (b), and as shown in Figure 2, the distal portion of protrusion 25 abutted against to the internal face 53a of recess.
In step (II), when from outside pushing by limit 26a, the 26b shown in Fig. 3 (a), 26c around part the time, the height of closure casing 12 surrounding wall portion is greater than the above-mentioned height that pushes part.Therefore, the pusher that is used as pressing device is such, and it can apply from the top of cup-like containers 20, and can inwardly push.
(III) subsequently, fill and pass fiery agent 35, mounting cover 22, and the upper end 21b of curling cylindrical portion 21.Cylinder filter 45 further is set, blanketing gas propellant 41, then from top cover upper diffuser housing 11, integrated with closure casing 12 welding.
The operation of the gas generator shown in Fig. 1 to 3 will be in following explanation.
In gas generator shown in Fig. 1 to 3, the internal face 53a of the upper end side of the distal portion 26a of the protrusion 25 of cup-like containers and the recess 53 of firing unit fixed part (the end face 11a side of diffuser housing 11) abuts against.
When start firing unit 30 and light and burn while passing fiery agent 35, from a plurality of flame transfer holes 23, the flame of generation and high-temperature gas are released into to combustion chamber 40, light and burning gases propellant 41.
In this case, (along the direction of the end face 11a towards diffuser housing 11) applies power to cup-like containers 20 vertically, but because the internal face 53a of the upper end side of the distal portion 26a of protrusion 25 extruding recess 53 has stoped cup-like containers 20 to move vertically.
(2) embodiment shown in Fig. 4
Fig. 4 example such embodiment, wherein, the shape of protrusion is different from the shape of the protrusion of cup-like containers shown in Fig. 1 to 3 20.
The transparent view of the state before the protrusion 125 that (a) in Fig. 4 has been example shown in formation Fig. 4 (b).
As in Figure 4 (a), cup-like containers 120 has by the first top 122a, the first following 122b and connects the first top 122a and four-sided openings 123 that two first side 122c, the 122d of the first following 122b define, wherein, the circumferential extension of the surrounding wall portion 127c that the first top 122a and the first following 122b are barrel 121 along cylindrical container and compartment of terrain form.Reference number 127a means flange part.
Further, as shown in (a) in Fig. 4, the surrounding wall portion 127c of cup-like containers 120 has the first following 122b and two lines of cut, these two lines of cut are from two first side 122c, 122d vertically to two second side 124a, 124b of downward-extension, and these lines of cut connect the surrounding wall portion 121 of cup-like containers.
As shown in (b) in Fig. 4, will form protrusion 125 corresponding to the surrounding wall portion 127c bending to the inside by three limit 122b, 124a, 124b and part on one side forms as residue quadrangle scope.
When the cup-like containers 120 by shown in Fig. 4 during for the gas generator shown in Fig. 1, the part that the distal portion 122b(of the protrusion 125 in cup-like containers is identical with the first following 122b) with the inner peripheral surface 53a of the upper end side (the end face 11a side of diffuser housing 11) of the recess 53 of firing unit fixed part 50, abut against.
(3) embodiment shown in Fig. 5
Fig. 5 example such embodiment, wherein, the shape of protrusion is different from the shape of the protrusion of the cup-like containers 20 shown in Fig. 1 to 3.
(a) in Fig. 5 has been example and formed the transparent view of the state before the protrusion 225 shown in (b) in Fig. 5.
As shown in (a) in Fig. 5, the surrounding wall portion 227c of the cylindrical portion 221 of cup-like containers 220 has two line of cut 222a, 222b, and it forms leg-of-mutton two limits that connect surrounding wall portion.Reference number 227a means flange part.
As shown in (b) in Fig. 5, by will be corresponding to by two line of cut 222a, 222b and the leg-of-mutton surrounding wall portion 227c bending to the inside that forms as the part of a remaining sides, forming protrusion 225.
When the cup-like containers 220 by shown in Fig. 5 during for the gas generator shown in Fig. 1, the intersection point part of distal portion 226(two line of cut 222a, the 222b of the protrusion 225 in cup-like containers) abut against the inner peripheral surface 53a (referring to Fig. 2) of the upper end side (the end face 11a side of diffuser housing 11) of the recess 53 of firing unit fixed part 50.
(4) embodiment shown in Fig. 6
Fig. 6 example such embodiment, wherein, the shape of protrusion is different from the shape of the protrusion of the cup-like containers 20 shown in Fig. 1 to 3.
(a) in Fig. 6 has been example and formed the transparent view of the state before the protrusion 325 shown in (b) in Fig. 6.
As shown in (a) in Fig. 6, the surrounding wall portion 327c of the cylindrical portion 321 of cup-like containers 320 has the four-sided openings 323 defined by these two lines of bottom and upper segment along circumferentially forming and two lines forming along short transverse.Reference number 327a means flange part.
As shown in (b) in Fig. 6, by pushing to the inside and the following 322 contacted surrounding wall portion 327c that form opening 323, thereby form protrusion 325.
When the cup-like containers 320 shown in (b) by Fig. 6, during for the gas generator shown in Fig. 1, the internal face 53a (referring to Fig. 2) of the upper end side of the distal portion of the protrusion 325 in cup-like containers and the recess 53 of firing unit fixed part 50 (the end face 11a side of diffuser housing 11) abuts against.Recess 53 is of a size of and makes it to abut against with protrusion 325.
(5) embodiment shown in Fig. 7
Fig. 7 example such embodiment, wherein, the shape of protrusion is different from the shape of the protrusion of the cup-like containers 20 shown in Fig. 1 to 3.
(a) in Fig. 7 has been example and formed the transparent view of the state before the protrusion 425 shown in (b) in Fig. 7.
As shown in (a) in Fig. 7, the surrounding wall portion 427c of the cylindrical portion 421 of cup-like containers 420 has the first opening 422 and the second opening 423, and they are arranged above and below along the short transverse compartment of terrain.Each opening defines by these two lines of bottom and upper segment along circumferentially forming and two lines forming along short transverse.Reference number 427a means flange part.
Become intermediate peripheral wall section 424 between the first opening 422 and the second opening 423.
Further, as shown in (b) in Fig. 7, inwardly press against the intermediate peripheral wall section 424 arranged between the first opening 422 and the second opening 423, to form protrusion 425.
When the cup-like containers 420 shown in (b) by Fig. 7, during for the gas generator shown in Fig. 1, the internal face 53a(of the upper end side of the distal portion of the protrusion 425 in cup-like containers and the recess 53 of firing unit fixed part 50 (the end face 11a side of diffuser housing 11) is referring to Fig. 2) abut against.Recess 53 is of a size of and makes it to abut against with protrusion 425.
(6) embodiment shown in Fig. 8
Fig. 8 example such embodiment, wherein, the shape of protrusion is different from the shape of the protrusion of the cup-like containers 20 shown in Fig. 1 to 3.
(a) example in Fig. 8 form the transparent view of the state before the protrusion 525 shown in (b) in Fig. 8.(b) example in Fig. 8 removed the planar view (in this view, flange part 527a is omitted) of state of the top surface side of cup-like containers 520.
As shown in Figure 8 (a), the surrounding wall portion 527c of the cylindrical portion 521 of cup-like containers 520 has a line of cut 522, and it connects surrounding wall portion and extends along circumferential.Reference number 527a means flange part.
Further, as shown in (b) in Fig. 8, the surrounding wall portion 524 be positioned under line of cut 522 by inside pushing forms protrusion 525.
When by the cup-like containers shown in (b) 520 in Fig. 8 during for the gas generator shown in Fig. 1, the internal face 53a(of the upper end side of the distal portion of the protrusion 525 in cup-like containers and the recess 53 of firing unit fixed part 50 (the end face 11a side of diffuser housing 11) is referring to Fig. 2) abut against.The size of recess 53 makes it to abut against with protrusion 525.
(7) embodiment shown in Fig. 9
Fig. 9 example such embodiment, wherein, the shape of protrusion is different from the shape of the protrusion of the cup-like containers 20 shown in Fig. 1 to 3.
(a) example in Fig. 9 form the transparent view of the state before the protrusion 625 shown in (b) in Fig. 9.(b) example in Fig. 9 removed the planar view (in this view, flange part 627a is omitted) of state of the top surface side of cup-like containers.
As shown in (a) in Fig. 9, the surrounding wall portion 627c of the cylindrical portion 621 of cup-like containers 620 has the intermediate peripheral wall section 624 be clipped between two lines of cut 622,623, described two lines of cut are along circumferential extension and the perforation surrounding wall portion of surrounding wall portion, and compartment of terrain forms vertically.Reference number 627a means flange part.
Further, as shown in (b) in Fig. 9, by pushing, intermediate peripheral wall section 624 forms protrusion 625.
When by the cup-like containers shown in (b) 620 in Fig. 9 during for the gas generator shown in Fig. 1, the internal face 53a(of the upper end side of the distal portion of the protrusion 625 of cup-like containers and the recess 53 of firing unit fixed part 50 (the end face 11a side of diffuser housing 11) is referring to Fig. 2) abut against.Recess 53 is of a size of and makes it to abut against with protrusion 625.
(8) embodiment shown in Figure 10
Figure 10 example such embodiment, wherein, the shape of protrusion is different from the shape of the protrusion of the cup-like containers 20 shown in Fig. 1 to 3.
(a) example in Figure 10 form the transparent view of the state before the protrusion 725 shown in (b) in Figure 10.
As shown in (a) in Figure 10, the surrounding wall portion 727c of the cylindrical portion 721 of cup-like containers 720 has the line of cut 723 that forms basically oval shape and connect surrounding wall portion.Yet oval part 723a is straight line, it is not curve.Reference number 727a means flange part.
Further, as shown in (b) in Figure 10, be essentially oval line of cut 723 by inside pushing and form protrusion 725.
When the cup-like containers 720 shown in (b) by Figure 10 during for the gas generator shown in Fig. 1, the internal face 53a(of the distal portion of the protrusion 725 in cup-like containers (part meaned corresponding to the reference number 723a of (a) in Figure 10) and the upper end side (the end face 11a side of diffuser housing 11) of the recess 53 of firing unit fixed part 50 is referring to Fig. 2) abut against.
(9) embodiment shown in Figure 11
(a) in Figure 11 to (d) example the axial section drawing of the embodiment different from the recess 53 arranged in the outer peripheral face of the firing unit fixed part 50 shown in Fig. 1 and 2.
As (a) in Figure 11 to as shown in (b), in the recess 53 of the outer peripheral face that is formed at tubular firing unit fixed part 50 (cylindrical wall section 51), by the outer peripheral face of cylindrical wall section 51 with abut against the distal portion 26a(of protrusion 25 referring to Fig. 2 and 3) the angle (α) that forms of the tangent line of internal face 53a of recess 53 be 90 °.
The degree of depth of internal face 53a (that is to say the degree of depth of bottom surface 54) is equal to or greater than the thickness of the distal portion 26a of protrusion 25.
In (a) of Figure 11, the bottom surface 54 of recess 53 is parallel to the outer peripheral face of cylindrical wall section 51.
In (b) of Figure 11, the bottom surface 54 of recess 53 tilts with respect to the outer peripheral face of cylindrical wall section 51, is the inclined-plane that the degree of depth little by little reduces from internal face 53a.Recess 53 shown in (b) in Figure 11 is preferred, because protrusion 25 abuts against with internal face 53a along the bottom surface 54 tilted.
As (c) in Figure 11 and (d), be formed at tubular firing unit fixed part 50(cylindrical wall section 51) the recess 53 of outer peripheral face in, by the outer peripheral face of cylindrical wall section 51 with abut against the distal portion 26a(of protrusion 25 referring to Fig. 2 and 3) the angle (α) that forms of the tangent line (referring to Fig. 2) of internal face 53a of recess 53 be 30 ° to 80 °.
In (c) of Figure 11, the bottom surface 54 of recess 53 is parallel to the outer peripheral face of cylindrical wall section 51.
In (d) of Figure 11, the bottom surface 54 of recess 53 tilts with respect to the outer peripheral face of cylindrical wall section 51, is the inclined-plane that the degree of depth little by little reduces from internal face 53a.Recess 53 shown in (d) in Figure 11 is preferred, because protrusion 25 abuts against with internal face 53a along the bottom surface 54 tilted.
As (c) in Figure 11 with (d) as shown in embodiment, when angle (α) is 30 ° to 80 °, the internal face 53a of recess 53 that abuts against the distal portion 26a of protrusion 25 is formed to acute angle on cross-sectional plane.
Therefore, as the distal portion 26a of protrusion 25, when the internal face 53a of recess 53 abuts against as shown in Figure 2, distal portion 26a can embed in the internal face 53a of recess, and has therefore strengthened and stop cup-like containers 20 mobile function vertically.In this case, can adjust the thickness of protrusion 25, so as to make its embed (c) in Figure 11 with (d) shown in the internal face 53a of recess in.
It should be noted that, with regard to Figure 11 for example in (c) with (d) shown in the protrusion 25 of recess 53 combinations with regard to, can adjust the thickness of whole protrusion or the thickness of distal portion 26a only, make it be suitable for abutting against with the internal face 53a of recess.
(10) gas generator shown in Figure 12 and 13
Gas generator shown in Figure 12 is identical with the gas generator shown in Fig. 1, except being assembled into the inner peripheral surface that makes cup-like containers 120, cup-like containers 120 and tubular firing unit fixed part 50 mutually form gap 60 with the outer peripheral face of firing unit fixed part 50, and the cup-like containers 20 shown in cup-like containers 120 alternate figures 1 shown in use Fig. 4.
The size of adjusting play 60, can not enter wherein so that pass fiery agent 35.
In the gas generator shown in Figure 12 and 13, the inner peripheral surface 53a of the distal portion of the protrusion 125 in cup-like containers and the upper end side of the recess 53 in the firing unit fixed part (the end face 11a side of diffuser housing 11) abuts against.
When start firing unit 30, and light and burn while passing fiery agent 35, the flame of generation and high-temperature gas are released into combustion chamber 40 from flame transfer hole 23.
In this case, power (along the direction of the end face 11a towards diffuser housing 11) vertically puts on cup-like containers 120, but because the internal face 53a of the upper end side of the distal portion of protrusion 125 extruding recess 53 has stoped cup-like containers 120 to move vertically.
Further, in the gas generator shown in Figure 12 and 13, form 60(tubular gap, gap between cup-like containers 120 and tubular firing unit fixed part 50).Therefore, when start firing unit 30 and the fiery agent 35 of burning biography, flame and high-temperature gas, through gap 60, are released into combustion chamber 40 from flame transfer hole 23.
Further, because use the cup-like containers 120 shown in Fig. 4, flame and high-temperature gas also will be released into combustion chamber 40 from the opening 123 on the top that is positioned at protrusion 125.
(11) gas generator shown in Figure 14
Gas generator shown in Figure 14 is identical with the gas generator shown in Fig. 1, except diffuser housing 911 different from the shape of closure casing 912.
In the gas generator shown in Figure 14, cup-like containers 20 and tubular firing unit fixed part 950 can also be set, to form for example gap shown in Figure 12 and 13 60.
In the shell 910 of the gas generator shown in Figure 14, the length of the surrounding wall portion of diffuser housing 911 is greater than the length of the surrounding wall portion of the diffuser housing shown in Fig. 1, and the length of the surrounding wall portion of closure casing 912 is less than the length of the surrounding wall portion of the closure casing shown in Fig. 1.Therefore, assemble method is different from the assemble method shown in Fig. 1.
In the assemble method of gas generator as shown in Figure 14, the method for push of the step (II) in step (I) to (III) is different from method illustrated in the assemble method of the gas generator shown in Fig. 1.
In the gas generator shown in Figure 14, as the limit 26a shown in (a) in Fig. 3 from outside pushing, 26b, during part that 26c defines, the height that pushes part is greater than the height of closure casing 912.Therefore, can implement to push from laterally (that is to say the axial direction perpendicular to gas generator) pushing of part.
Further, in Fig. 1 to 14, the circular groove of recess 53 for forming in the cylindrical wall section 51 that is formed at firing unit fixed part 50, but recess can be arranged on the position corresponding to protrusion 25,125 independently with a plurality of forms.In this case, the aspect of recess 53 is slightly larger than the aspect of protrusion.This recess can be processed or embossing processing (embossing) forms by pressurization.
(12) gas generator shown in Figure 15
Gas generator shown in (a) in Figure 15 is different from the gas generator shown in Fig. 1, it uses the cup-like containers 120 shown in Fig. 4 to substitute the cup-like containers 20 shown in Fig. 3, and carrys out the recess 53 of alternative point firearm fixed part 50 with firing unit fixed part 50 and the combination of metal collar 31.By autogenous welding to firing unit fixed part 50 and fixing metal collar 31.
In firing unit 30, adopt metal collar 31 to surround igniting section, and metal collar 31 have upper metal collar 31a and lower metal collar 31b.
The external diameter of upper metal collar 31a is greater than the external diameter of lower metal collar 31b.Therefore, provide for example ledge surface shown in (b) 32 in Figure 15.Ledge surface 32 is corresponding to the internal face 53a of the recess 53 shown in Fig. 1 to 3.
In gas generator shown in (a) in Figure 15, as shown in the figure, distal portion and the ledge surface 32 of the protrusion 125 of cup-like containers 120 abut against.
(a) in Figure 15 with (b) shown in gas generator in, when start firing unit 30 and light and burn while passing fiery agent 35, the flame of generation and high-temperature gas are released into combustion chamber 40 from flame transfer hole 23.
In this case, power (along the direction of the end face 11a towards diffuser housing 11) vertically puts on cup-like containers 120, but because the distal portion of protrusion 125 extruding ledge surface 32 has stoped cup-like containers 120 to move vertically.
Therefore, the present invention as described above.The present invention can change in a lot of modes obviously.These change does not think and departs from spirit of the present invention and scope, and is significantly to adjust and be included in the scope of following claim to those skilled in the art by all these.
Claims (10)
1. the gas generator for restraint device, it comprises:
Shell, it has gas discharge outlet, and is formed by closure casing and diffuser shell body;
Ignition device, it comprises firing unit, and is contained in the gas generant in described shell; And
Cup-like containers, described cup-like containers has the flame transfer hole in its surrounding wall portion, and described cup-like containers is arranged on the described closure casing in described shell, to form ignition means chamber,
Described ignition means chamber is held described ignition device, and described firing unit is fixed to the tubular firing unit fixed part be arranged in closure casing,
Described cup-like containers has a plurality of protrusions of radially inwardly giving prominence to from its surrounding wall portion,
Described tubular firing unit fixed part has recess at outside face,
At least distal portion of the protrusion of described cup-like containers abuts against the internal face of the recess of described tubular firing unit fixed part, to stop moving axially of described cup-like containers.
2. the gas generator for restraint device according to claim 1, wherein,
Form the protrusion of described cup-like containers corresponding to the surrounding wall portion of tetragonal described cup-like portion by bending to the inside, described quadrangle is formed by three lines of cut and a remaining sides,
Described three lines of cut connect the surrounding wall portion of described cup-like containers, and form tetragonal three limits, and described quadrangle comprises along the top circumferentially formed and from the two ends of described top vertically to two sides of downward-extension, and
Described protrusion has the distal portion corresponding to the top of described protrusion, and the internal face of the recess in the distal portion of at least described protrusion and described firing unit fixed part abuts against.
3. the gas generator for restraint device according to claim 1, wherein,
Described cup-like containers has four-sided openings, its first top that forms and extend by the circumferential compartment of terrain with along described surrounding wall portion with first below and be connected described the first top and described first following two first sides are defined,
Form the described protrusion of described cup-like containers corresponding to tetragonal surrounding wall portion by bending to the inside, described quadrangle by described first below, two these three limits of line of cut and a remaining sides form, wherein said two lines of cut are two second sides
Described tetragonal described three limits comprise described first below and two lines of cut, described two lines of cut connect the surrounding wall portion of described cup-like containers and comprise from described two first sides of described cup-like containers vertically to two second sides of downward-extension, and
At least the described internal face corresponding to the described recess of described first of described protrusion the following distal portion and described firing unit fixed part abuts against.
4. the gas generator for restraint device according to claim 1, wherein,
Form the protrusion of described cup-like containers corresponding to leg-of-mutton surrounding wall portion by bending to the inside, described triangle is formed by two lines of cut and a remaining sides, described two lines of cut connect the surrounding wall portion of described cup-like containers and form described leg-of-mutton both sides, and
The internal face of the described recess of the described at least distal portion that bends to leg-of-mutton described protrusion and described firing unit fixed part abuts against.
5. the gas generator for restraint device according to claim 1, wherein,
Described cup-like containers has four-sided openings,
Form the protrusion of described cup-like containers by the surrounding wall portion under the described four-sided openings of inside pushing,
Described four-sided openings is defined by the top circumferentially formed along surrounding wall portion and following these two lines and two lines forming along short transverse, and
The internal face of the described recess of the distal portion of at least described protrusion and described firing unit fixed part abuts against.
6. the gas generator for restraint device according to claim 1, wherein,
Surrounding wall portion by inside pushing between upper and lower opening forms the protrusion of described cup-like containers,
Described upper and lower opening is two four-sided openings, and it is arranged above and below along the short transverse compartment of terrain,
Each described four-sided openings defines by the top circumferentially formed along described surrounding wall portion and this two lines below and two lines forming along short transverse, and at least the described internal face of the described recess of the distal portion of protrusion and described firing unit fixed part abuts against.
7. the gas generator for restraint device according to claim 1, wherein,
Be positioned at by inside pushing the protrusion that a surrounding wall portion under line of cut forms cup-like containers, described line of cut connects surrounding wall portion and along the circumferential formation of the surrounding wall portion of described cup-like containers, and
The internal face of the recess of the distal portion of at least described protrusion and firing unit fixed part abuts against.
8. the gas generator for restraint device according to claim 1, wherein,
Be clipped in by inside pushing the protrusion that two surrounding wall portion between line of cut form described cup-like containers, described two lines of cut along described cup-like containers circumferentially and connect described surrounding wall portion and form and vertically compartment of terrain arrange, and
The described internal face of the described recess of the distal portion of at least described protrusion and described firing unit fixed part abuts against.
9. according to the described gas generator for restraint device of any one in claim 1 to 8,
Wherein,
Described cup-like containers and described tubular firing unit fixed part are assembled into the inner peripheral surface that makes described cup-like containers and contact each other with the outer peripheral face of described firing unit fixed part over against described inner peripheral surface.
10. according to the described gas generator for restraint device of any one in claim 1 to 8, wherein,
Described cup-like containers and described tubular firing unit fixed part are assembled into the inner peripheral surface that makes described cup-like containers and are separated with interval with the outer peripheral face of described firing unit fixed part over against described inner peripheral surface.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2011-073905 | 2011-03-30 | ||
| JP2011073905A JP5638996B2 (en) | 2011-03-30 | 2011-03-30 | Gas generator for personnel restraint system |
| PCT/JP2012/058769 WO2012133865A1 (en) | 2011-03-30 | 2012-03-26 | Gas generator for restraining apparatus |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103442956A true CN103442956A (en) | 2013-12-11 |
| CN103442956B CN103442956B (en) | 2016-04-06 |
Family
ID=45955067
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201280015047.4A Active CN103442956B (en) | 2011-03-30 | 2012-03-26 | For the gas generator of restraint device |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US8777258B2 (en) |
| EP (1) | EP2691271B1 (en) |
| JP (1) | JP5638996B2 (en) |
| KR (1) | KR101829090B1 (en) |
| CN (1) | CN103442956B (en) |
| WO (1) | WO2012133865A1 (en) |
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| JP2010173559A (en) * | 2009-01-30 | 2010-08-12 | Nippon Kayaku Co Ltd | Gas generator |
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| JP5450306B2 (en) * | 2010-07-29 | 2014-03-26 | 株式会社ダイセル | Gas generator |
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| JP5921232B2 (en) * | 2012-02-06 | 2016-05-24 | 株式会社ダイセル | Gas generator |
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- 2011-03-30 JP JP2011073905A patent/JP5638996B2/en active Active
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2012
- 2012-03-26 EP EP12714406.1A patent/EP2691271B1/en active Active
- 2012-03-26 WO PCT/JP2012/058769 patent/WO2012133865A1/en active Application Filing
- 2012-03-26 KR KR1020137023598A patent/KR101829090B1/en active IP Right Grant
- 2012-03-26 CN CN201280015047.4A patent/CN103442956B/en active Active
- 2012-03-29 US US13/433,374 patent/US8777258B2/en active Active
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112440928A (en) * | 2017-06-22 | 2021-03-05 | 奥托立夫开发公司 | Igniter shell |
| WO2020259164A1 (en) * | 2019-06-25 | 2020-12-30 | 延锋汽车智能安全系统有限责任公司 | Detonation device module, gas generator and air bag |
Also Published As
| Publication number | Publication date |
|---|---|
| EP2691271B1 (en) | 2015-03-11 |
| KR20140053854A (en) | 2014-05-08 |
| JP2012206611A (en) | 2012-10-25 |
| US20120247361A1 (en) | 2012-10-04 |
| CN103442956B (en) | 2016-04-06 |
| WO2012133865A1 (en) | 2012-10-04 |
| JP5638996B2 (en) | 2014-12-10 |
| EP2691271A1 (en) | 2014-02-05 |
| US8777258B2 (en) | 2014-07-15 |
| KR101829090B1 (en) | 2018-02-13 |
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